`a)x. 14/27=-7/9`
`x=-7/9:14/27`
`x=-3/2`
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`b)(-5/9):x=2/3`
`x=(-5/9):2/3`
`x=-5/6`
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`c)2/5:x=1/16:0,125`
`2/5:x=1/6:1/8`
`2/5:x=4/3`
`x=2/5:4/3`
`x=3/10`
___________________________
`d)-5/12x=2/3-1/2`
`-5/12x=1/6`
`x=1/6:(-5/12)`
`x=-2/5`
\(a,x=-\dfrac{7}{9}:\left(\dfrac{14}{27}\right)\\ x=-\dfrac{7}{9}.\dfrac{27}{14}\\ x=-\dfrac{3}{2}\\ ----------\\ b,x=\left(-\dfrac{5}{9}\right):\dfrac{2}{3}\\ x=-\dfrac{5}{9}.\dfrac{3}{2}\\ x=-\dfrac{5}{6}\\ ------------\\ c,\dfrac{2}{5}:x=\dfrac{1}{2}\\ x=\dfrac{2}{5}:\dfrac{1}{2}\\ x=\dfrac{2}{5}.\dfrac{2}{1}\\ x=\dfrac{4}{5}\\ -----------\\ d,-\dfrac{5}{12}x=\dfrac{4-3}{3}\\ -\dfrac{5}{12}x=\dfrac{1}{6}\\ x=\dfrac{1}{6}:\left(-\dfrac{5}{12}\right)\\ x=-\dfrac{2}{5}\)
a) \(x\cdot\dfrac{14}{27}=-\dfrac{7}{9}\)
\(x=\left(-\dfrac{7}{9}\right):\dfrac{14}{27}\)
\(x=\left(-\dfrac{7}{9}\right)\cdot\dfrac{27}{14}\)
\(x=-\dfrac{3}{2}\)
b) \(\left(-\dfrac{5}{9}\right):x=\dfrac{2}{3}\)
\(x=\left(-\dfrac{5}{9}\right)\cdot\dfrac{3}{2}\)
\(x=-\dfrac{5}{6}\)
c) \(\dfrac{2}{5}:x=\dfrac{1}{16}:0,125\)
\(\dfrac{2}{5}:x=\dfrac{1}{16}\cdot8\)
\(\dfrac{2}{5}:x=\dfrac{1}{2}\)
\(x=\dfrac{2}{5}\cdot2\)
\(x=\dfrac{4}{5}\)
d) \(-\dfrac{5}{12}x=\dfrac{2}{3}-\dfrac{1}{2}\)
\(-\dfrac{5}{12}x=\dfrac{4}{6}-\dfrac{3}{6}\)
\(-\dfrac{5}{12}x=\dfrac{1}{6}\)
\(x=\dfrac{1}{6}\cdot\left(-\dfrac{12}{5}\right)\)
\(x=-\dfrac{2}{5}\)
\(a,x.\dfrac{14}{27}=-\dfrac{7}{9}\)
\(x=-\dfrac{7}{9}:\dfrac{14}{27}\)
\(x=-\dfrac{3}{2}\)
\(b,\left(-\dfrac{5}{9}\right):x=\dfrac{2}{3}\)
\(x=-\dfrac{5}{9}:\dfrac{2}{3}\)
\(x=-\dfrac{5}{6}\)
\(c,\dfrac{2}{5}:x=\dfrac{1}{16}:0,125\)
\(\dfrac{2}{5}:x=\dfrac{1}{2}\)
\(x=\dfrac{2}{5}:\dfrac{1}{2}\)
\(x=\dfrac{4}{5}\)
\(d,-\dfrac{5}{12}.x=\dfrac{2}{3}-\dfrac{1}{2}\)
\(-\dfrac{5}{12}.x=\dfrac{1}{6}\)
\(x=\dfrac{1}{6}:\left(-\dfrac{5}{12}\right)\)
\(x=-\dfrac{2}{5}\)